| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.eclipse.aether.internal.impl; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.eclipse.aether.internal.impl.TrackingFileManager; |
| import org.eclipse.aether.internal.test.util.TestFileUtils; |
| import org.junit.Test; |
| |
| /** |
| */ |
| public class TrackingFileManagerTest |
| { |
| |
| @Test |
| public void testRead() |
| throws Exception |
| { |
| TrackingFileManager tfm = new TrackingFileManager(); |
| |
| File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); |
| Properties props = tfm.read( propFile ); |
| |
| assertNotNull( props ); |
| assertEquals( String.valueOf( props ), 2, props.size() ); |
| assertEquals( "value1", props.get( "key1" ) ); |
| assertEquals( "value2", props.get( "key2" ) ); |
| |
| assertTrue( "Leaked file: " + propFile, propFile.delete() ); |
| |
| props = tfm.read( propFile ); |
| assertNull( String.valueOf( props ), props ); |
| } |
| |
| @Test |
| public void testReadNoFileLeak() |
| throws Exception |
| { |
| TrackingFileManager tfm = new TrackingFileManager(); |
| |
| for ( int i = 0; i < 1000; i++ ) |
| { |
| File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); |
| assertNotNull( tfm.read( propFile ) ); |
| assertTrue( "Leaked file: " + propFile, propFile.delete() ); |
| } |
| } |
| |
| @Test |
| public void testUpdate() |
| throws Exception |
| { |
| TrackingFileManager tfm = new TrackingFileManager(); |
| |
| // NOTE: The excessive repetitions are to check the update properly truncates the file |
| File propFile = TestFileUtils.createTempFile( "key1=value1\nkey2 : value2\n".getBytes( "UTF-8" ), 1000 ); |
| |
| Map<String, String> updates = new HashMap<String, String>(); |
| updates.put( "key1", "v" ); |
| updates.put( "key2", null ); |
| |
| tfm.update( propFile, updates ); |
| |
| Properties props = tfm.read( propFile ); |
| |
| assertNotNull( props ); |
| assertEquals( String.valueOf( props ), 1, props.size() ); |
| assertEquals( "v", props.get( "key1" ) ); |
| assertNull( String.valueOf( props.get( "key2" ) ), props.get( "key2" ) ); |
| } |
| |
| @Test |
| public void testUpdateNoFileLeak() |
| throws Exception |
| { |
| TrackingFileManager tfm = new TrackingFileManager(); |
| |
| Map<String, String> updates = new HashMap<String, String>(); |
| updates.put( "k", "v" ); |
| |
| for ( int i = 0; i < 1000; i++ ) |
| { |
| File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); |
| assertNotNull( tfm.update( propFile, updates ) ); |
| assertTrue( "Leaked file: " + propFile, propFile.delete() ); |
| } |
| } |
| |
| @Test |
| public void testLockingOnCanonicalPath() |
| throws Exception |
| { |
| final TrackingFileManager tfm = new TrackingFileManager(); |
| |
| final File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); |
| |
| final List<Throwable> errors = Collections.synchronizedList( new ArrayList<Throwable>() ); |
| |
| Thread[] threads = new Thread[4]; |
| for ( int i = 0; i < threads.length; i++ ) |
| { |
| String path = propFile.getParent(); |
| for ( int j = 0; j < i; j++ ) |
| { |
| path += "/."; |
| } |
| path += "/" + propFile.getName(); |
| final File file = new File( path ); |
| |
| threads[i] = new Thread() |
| { |
| public void run() |
| { |
| try |
| { |
| for ( int i = 0; i < 1000; i++ ) |
| { |
| assertNotNull( tfm.read( file ) ); |
| } |
| } |
| catch ( Throwable e ) |
| { |
| errors.add( e ); |
| } |
| } |
| }; |
| } |
| |
| for ( Thread thread1 : threads ) |
| { |
| thread1.start(); |
| } |
| |
| for ( Thread thread : threads ) |
| { |
| thread.join(); |
| } |
| |
| assertEquals( Collections.emptyList(), errors ); |
| } |
| |
| } |